SAE-AISI H12 Steel vs. Grade Ti-Pd7B Titanium
SAE-AISI H12 steel belongs to the iron alloys classification, while grade Ti-Pd7B titanium belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is grade Ti-Pd7B titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 1850 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 420 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1660 |
| Melting Onset (Solidus), °C | 1440 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 36 | |
| 22 |
| Thermal Expansion, µm/m-K | 12 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.3 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.5 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 49 |
| Embodied Energy, MJ/kg | 41 | |
| 840 |
| Embodied Water, L/kg | 76 | |
| 520 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 24 to 65 | |
| 24 |
| Strength to Weight: Bending, points | 22 to 42 | |
| 26 |
| Thermal Diffusivity, mm2/s | 9.8 | |
| 8.9 |
| Thermal Shock Resistance, points | 22 to 60 | |
| 30 |
Alloy Composition
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| Carbon (C), % | 0.3 to 0.4 | |
| 0 to 0.1 |
| Chromium (Cr), % | 4.8 to 5.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 87.8 to 91.7 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 1.3 to 1.8 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.4 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.3 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.8 to 1.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.8 to 99.9 |
| Tungsten (W), % | 1.0 to 1.7 | |
| 0 |
| Vanadium (V), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |